Piqua, Ohio, Jan. 30, 2017 -- Hartzell Propeller's four-blade lightweight aluminum propeller has been selected by Hindustan Aeronautics Ltd. (HAL) for its HTT-40 two-place turbine basic trainer aircraft. The new indigenous HTT-40 is designed and built by HAL under the country's Make In India initiative. The HTT-40 will replace the piston-powered HPT-32 Deepak trainer […]